# Resistor Calc+ vs Bluetooth DMM

The clearest difference is review sentiment: Resistor Calc+ at 67% against Bluetooth DMM's 0%. Resistor Calc+ also leads on rating (5.0 vs 2.5). Bluetooth DMM's advantage is ads (none vs shown) and update cadence (every 2 weeks vs every 2 months). On price, ratings volume, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Resistor Calc+ holds the better App Store score, 5.0 against 2.5. Both are backed by a comparable volume of ratings — 5 and 4 respectively. Written reviews point the same way: 67% of Resistor Calc+'s written reviews are positive against 0% of Bluetooth DMM's.

Resistor Calc+ ships an update every 2 months, Bluetooth DMM every 2 weeks. The most recent releases landed on October 29, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Resistor Calc+ | Bluetooth DMM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/resistor-calc-plus/id1441211200/reviews)** | [2.5 (4 ratings)](https://appshunter.io/ios/app/bluetooth-dmm/id1507743438/reviews) |
| Number of ratings | **5** | 4 |
| Positive reviews | **66.7% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Ad-supported | **Free** |
| Size | 6 MB | 44 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [EONSOFT](https://appshunter.io/developer/899851112) | [德 李](https://appshunter.io/developer/1529841015) |

## What reviewers say

### Resistor Calc+

[App page](https://appshunter.io/ios/app/resistor-calc-plus/id1441211200)

Easily determine resistance values from colored bands on resistors. Supports 3 to 6 band configurations with a visual representation of your selections. Ideal for electronics enthusiasts and hobbyists.

**Highlights:** 3, 4, 5, and 6 band resistor support, Visual band color selection, Displays resistance value and tolerance, Aids in electronics configuration

**Features:** Vision Pro support

**In-app purchases:** none


### Bluetooth DMM

[App page](https://appshunter.io/ios/app/bluetooth-dmm/id1507743438)

Connect to a Bluetooth multimeter to streamline measurements, record and visualize data, and share insights. This app also offers a platform for industry communication and basic knowledge sharing.

**Highlights:** Bluetooth multimeter connection, Data recording and graphing, Data sharing and export, Threshold alarms, Connect up to four multimeters, Smart calculation functions, Remote assistance and monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Resistor Calc+ free?

Resistor Calc+ is free to download, with no in-app purchases.

### Is Bluetooth DMM free?

Bluetooth DMM is free to download, with no in-app purchases.

### Which has better reviews, Resistor Calc+ or Bluetooth DMM?

Resistor Calc+ is rated higher. Resistor Calc+ averages 5.0 out of 5 from 5 ratings, while Bluetooth DMM averages 2.5 from 4 ratings.

### Do Resistor Calc+ or Bluetooth DMM have ads?

Resistor Calc+ shows ads; Bluetooth DMM does not.

### Which is updated more often, Resistor Calc+ or Bluetooth DMM?

Resistor Calc+ ships an update every 2 months, and Bluetooth DMM every 2 weeks. Most recently, Resistor Calc+ was updated on October 29, 2026 and Bluetooth DMM on October 12, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*